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px4的日志文件一直通过pyulog做解析 但是发现有的时候会出现错误，解析不了，使用网站解析也会失败，但是这把数据很重要所以想办法必须解决，报错如下

zzh@zzh-System-Product-Name:~/Desktop/log/log223/log42$ ulog_info -m MESSAGE log_42_2025-2-23-17-08-34.ulg 
Traceback (most recent call last):File "/home/zzh/.local/bin/ulog_info", line 8, in <module>sys.exit(main())File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/info.py", line 85, in mainulog = ULog(ulog_file_name, None, disable_str_exceptions)File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 138, in __init__self._load_file(log_file, message_name_filter_list)File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 823, in _load_fileself._read_file_definitions()File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 868, in _read_file_definitionsmsg_info = self._MessageInfo(data, header, is_info_multiple=True)File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 562, in __init__self.value = ULog.parse_string(data[1+key_len:])File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 93, in parse_stringret = _parse_string(cstr)File "/home/zzh/.local/lib/python3.8/site-packages/pyulog/core.py", line 19, in _parse_stringreturn str(cstr, 'utf-8', errors)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe5 in position 218: unexpected end of data

定位问题，我是用linux，找到运行的包pyulog包，在python3.8下面
打开这个core.py文件
找到报错的这个函数_parse_string

@staticmethoddef parse_string(cstr):"""wrapper for _parse_string withparametrized exception handling"""ret = ''if _RUNNING_PYTHON3 and ULog._disable_str_exceptions:ret = _parse_string(cstr, 'ignore')else:ret = _parse_string(cstr)return ret

经过deepseek指点，把else后面的分支改成

        else:# 默认使用 'replace' 替换无法解码的字节ret = _parse_string(cstr, 'replace')

保存后，再次运行pyulog命令，全部解析出来了